Collapsible Core Design & Assembly Guide - DME

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42 CC 602 P.C. Core Dimensions 1.200 MIN Ø4.75 Ø3.75 3° .140 COLLAPSE MIN AT FACE 5° MIN DRAFT PER SIDE .030 FLAT MIN (NOTE 7) R.020 MIN (NOTE 1) .060 FLAT .045 MIN .075 MAX (NOTE 3) .250 60° C’SINK BOTH ENDS FOR GRINDING Ø3.535 MIN STK Ø2.175 ±.005 DME Collapsible Core CENTER PIN COLLAPSIBLE CORE CENTER SCREWS ON MIDDLE OF LARGE SEGMENT 2.125 2.400 R.06 2.125 .50 NOM 2.38 MAX (CIRCULAR STEP DETAIL) .030 MIN CLEARANCE REF .030 MIN CLEARANCE .250 MAX SHUT-OFF HEIGHT DO NOT USE TAPERED SHUT-OFF www.dme.net ±.004 11.250 7.157 NOM Ø4.625 NOM P.C. SLEEVE PARTIAL MOLD ASSEMBLY DETAIL Ø5.000 NOM 15° .010 .188 NOM P.C. SLEEVE COLLAPSIBLE CORE CENTER PIN ±.001 Ø3.749 USE SCREWS TO ALIGN CORE ON PIN STRIPPER INSERT .010 ±.005 1.750 (NOTE 4) ±.001 .374 Ø4.187 +.000 -.010 1.25 MIN +.000 -.010 Ø2.875 ±.001 Ø2.437 SET-UP FOR GRINDING REFER TO GRINDING INFORMATION 1.750 (NOTE 4) Ø.94 COOLING HOLE ±.005 INDICATE HERE FOR GRINDING .003 MAX T.I.R. NOTES: 1. Center pin to project .045 minimum/.075 maximum above front face of Collapsible Core with .020 R minimum at corners. See suggested partial mold assembly view. 2. Both ends of center pin to be cut off after grinding contour on Collapsible Core before assembly in mold. 3. Minimum suggested I.D. of thread or undercut is 2.060-S to give minimum steel support between depth of undercut and center pin. 4. The 1.750 ±.005 dimension must be held in mold assembly and core grinding. 5. Consult Grinding Instructions. 6. A 1 ⁄16 radius is essential on the inside corners of the stripper insert, especially where shut-off contacts Collapsible Core. 7. Thread must never be run out of face of core, leaving a knife-edge of material. For complete instructions, refer to Design Procedures. 8. Do not use center pin as a pilot into “A” half of mold.
DME Collapsible Core CC 602 PC Mold Base Machining Dimensions CAVITY PLATE SHUT-OFF DIMENSION AS NEEDED (CHECK LIST 7 & 13) STRIPPER INSERT MUST BE RETAINED STRIPPER PLATE 3.000 SUBTRACT INTERNAL DEPTH OF PART PLUS MATERIAL SHRINK FROM THIS DIM. TO DETERMINE ACTUAL STRIPPER PLATE THICKNESS RELIEF FOR GREASE ±.007 Ø3.557 Ø4.75 +.003 -.000 1.875 Ø4.630 .38 .88 .63 ±.004 11.250 CORE O.A.L. (CHECK LIST 11) MOLDED PART Ø4.75 +.003 -.000 1.375 Ø4.630 CYLINDERS RECOMMENDED FOR AUTOMATIC MOLD OPERATION (CHECK LIST 5) Ø5.06 (CHECK LIST 2) BREAK SHARP EDGES .207 +.003 -.002 ±.005 4.125 EJECTOR STROKE .875 ±.003 www.dme.net +.005 -.000 Ø4.192 +.001 -.000 Ø3.751 NOT TO SCALE C-6.187 .375 -.000 +.001 THIS PLATE THICKNESS MAY BE VARIED AS DESIRED 1.000 Ø2.50 “O” RING GROOVE +.001 -.000 Ø2.439 .875 ±.005 1.750 .187 Ø2.880 +.005 -.000 1.187 ±.001 PARTING LINE GUIDED EJECTION 1.375 SUPPORT RING A BUTTONS TO THIS ±.001 DIMENSION 1.187 (CHECK LIST 1) PIN COOLING DETAIL SECTION A-A TAP 3/4 N.P.T. BRASS WATERLINE BAFFLE 43 .312 NOM C’BORE AS NEEDED ±.005 TO HOLD 1.750 GRIND EJECTOR PLATE, SUPPORT RING, & REST
Page 1 and 2: DESIGN & ASSEMBLY GUIDE U.S. 800-62
Page 3 and 4: Table of conTenTs DME DESIGN & ASSE
Page 5 and 6: DME Collapsible Core Collapsible Co
Page 7 and 8: DME Collapsible Core Design Procedu
Page 9 and 10: Table of Dimensions Table 1-1 DME C
Page 11 and 12: DME Collapsible Core Design Check L
Page 13 and 14: DME Collapsible Core Grinding Instr
Page 15 and 16: Ø2.63 Ø1.88 CENTER SCREWS ON MIDD
Page 17 and 18: CC 150 P.C. Core Dimensions .037 MI
Page 19 and 20: Mold desiGn check lisT DME Collapsi
Page 21 and 22: MOLDED PART DME Collapsible Core (C
Page 23 and 24: DME Collapsible Core CC 200 P.C. Mo
Page 25 and 26: CC 250 P.C. Core Dimensions Ø.470
Page 31 and 32: CC 252 P.C. Core Dimensions 3 ° Ø
Page 39 and 40: Mold desiGn check lisT S MOLDED PAR
Page 45: Mold desiGn check lisT DME Collapsi
Page 49 and 50: CC 652 P.C. Core Dimensions 1.520 M
Page 53 and 54: DME Collapsible Core CC 702 PC Mold
Page 55 and 56: Collapsible Core Ordering Guide Dra
Page 57 and 58: DME Collapsible Minicore cenTer pin
Page 59 and 60: Total Collapse DME Collapsible Mini
Page 61 and 62: DME Collapsible Minicore 11. Import
Page 63 and 64: DME Collapsible Minicore Center Pin
Page 65 and 66: Minicore Grinding Set-Up Informatio
Page 67 and 68: DME Collapsible Minicore CCM-0001 M
Page 69 and 70: CCM-0002 Minicore Dimensions DME Co
Page 71 and 72: DME Collapsible Minicore 9. Core mu
Page 73 and 74: DME Collapsible Minicore CCM-0003 M
Page 75 and 76: DME Collapsible Minicore Collapsibl

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